CN104806622A - Abrasion-resistant brake apparatus of bicycle - Google Patents
Abrasion-resistant brake apparatus of bicycle Download PDFInfo
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- CN104806622A CN104806622A CN201510183646.2A CN201510183646A CN104806622A CN 104806622 A CN104806622 A CN 104806622A CN 201510183646 A CN201510183646 A CN 201510183646A CN 104806622 A CN104806622 A CN 104806622A
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- bicycle
- brake
- abrasion
- internal lining
- carbon fiber
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Abstract
The invention relates to an abrasion-resistant brake apparatus of a bicycle. The abrasion-resistant brake apparatus comprises an outer cladding (1), two lined pipes (2) and two metal wire groups (3); the lined pipes (2) are parallelly arranged side by side; each brake cable body (4) comprises a carbon fiber core wire group (4.1) and a resin layer (4.2) which are respectively arranged on the inner layer and outer layer of the brake cable body (4); a circular belt (5) is arranged at the end part of each brake cable body (4); the surface of the outer cladding (1) is coated with an abrasion-resistant coating material. The abrasion-resistant brake apparatus has the advantages that the brake cable body is uniform in stress, simple to form, light in quality, resistant to chemical corrosion, high in weatherability, resistant to abrasion and low in production cost; the friction force and support force between the lined pipes and the outer cladding are effectively increased, so that the relative sliding possibilities of the lined pipes and the outer cladding are low, and the using effect of a brake system is guaranteed; the circular belts arranged at the end parts of the brake cable bodies are used for fixing the brake cable bodies with handles, so that the brake cable bodies are prevented from coming away from the handles, and the riding safety is guaranteed.
Description
Technical field
The present invention relates to a kind of bicycle abrasive-proof brake device, for bicycle brake system.Belong to bicycle accessories field.
Background technique
Bicycle brake system comprises brake lever, braking string, the accessories such as brake binder, before the brake system of prior art is typically provided with one, one latter two braking string and corresponding with it two brake levers and two brake binders, braking string easily ruptures in use for some time, cause brake failure, potential safety hazard is higher, for solving the problems of the technologies described above the two-wire brake system needing use two front brake fares and two rear brake fares, two front brake fares of this brake system need length consistent, two braking string body uniform force during to ensure to brake, but two separate braking string bodies cannot ensure that length is consistent, also there is certain difficulty in assembling.
Existing braking string body is made up of the hollow tubular of outside rubber and the steel wire of inside, and its insufficient strength is high, and resistance to chemical corrosion is poor, and weatherability is bad, and cost of production is higher.
Not, easily there is relative sliding in internal lining pipe and surrounding layer for frictional force between existing braking string internal lining pipe and surrounding layer and support force, brake can be caused like this to stop tight, have impact on the using effect of brake system.
The end of the steel wire of existing braking string be a hook for fixed handle, after service time is longer, hook can be out of shape, and braking string and handle so can be caused to throw off, thus brake failure, is prone to accidents.
Existing braking string surface hardness is poor, can wear and tear after long-time use, thus can damaging internal braking string body.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, provide a kind of bicycle abrasive-proof brake device, the internal lining pipe of this device ensures that two braking string are isometric, two braking string body uniform force when ensureing to brake; Simultaneously braking string this body formed simple, quality is light, resistance to chemical attack, good weatherability, wear-resisting, cost of production is low; Effectively increasing the frictional force between internal lining pipe and surrounding layer and support force, not easily there is relative sliding in internal lining pipe and surrounding layer, ensure that the using effect of brake system, and ensure that traffic safety.
The object of the present invention is achieved like this:
A kind of bicycle abrasive-proof brake device, be characterized in: described device comprises surrounding layer, the internal lining pipe of two side by side parallel settings and two wires, the length of two internal lining pipes is equal, braking string body is provided with in described internal lining pipe, two wires are wrapped in the outer wall of internal lining pipe respectively, surrounding layer is coated on outside two wires, described braking string body comprises the carbon fiber heart yearn group of internal layer and outer field resin layer, the end of described braking string body is provided with endless belt, the surface of described surrounding layer is coated with wear resistant coating, described wear resistant coating comprises fluoropolymer, polymer adhesive and inorganic filler film hardeners, the weight ratio of fluoropolymer and polymer adhesive is 0.5 ~ 2.0:1, the weight ratio of packing thin film hardening agent and fluoropolymer is 1.4:1, wherein thin filled film hardening agent comprises the ceramic particle that Mean particle diameter is at least 14 microns, ceramic particle has the Knoop hardness of at least 1200, be not more than the aspect ratio of 2.5, the cross section of the wear resistant coating of every 1 centimetre have three ceramic particles at least.
A kind of bicycle abrasive-proof brake device of the present invention, its carbon fiber heart yearn group is made up of multi-beam carbon-fiber heart yearn, comprises 1000 ~ 200000 carbon fibers in every a branch of carbon fiber core, and the diameter of every root carbon fiber is 5 ~ 15 microns.
A kind of bicycle abrasive-proof brake device of the present invention, its resin layer is that polyamide 6 or polyamide 66 or PPTA resinous layer material are made.
A kind of bicycle abrasive-proof brake device of the present invention, its groups of metal filaments has 15 ~ 25 one metal wires.
Compared with prior art, the invention has the beneficial effects as follows:
A kind of bicycle abrasive-proof brake device of the present invention, its internal lining pipe ensures that two braking string bodies are isometric, two braking string body uniform force when ensureing to brake.
A kind of bicycle abrasive-proof brake device of the present invention, its braking string body is made carbon fiber heart yearn group and is coated on the resin layer outside carbon fiber heart yearn group, obtained braking string this body formed simple, quality is light, resistance to chemical attack, good weatherability, wear-resisting, cost of production is low.
Because the groups of metal filaments between surrounding layer and internal lining pipe is closely arranged in radial direction, be axially helical pattern, therefore effectively increase the frictional force between surrounding layer and internal lining pipe and support force, between surrounding layer and internal lining pipe, not easily relative sliding occurs, ensure brake system using effect.
Braking string body end is provided with an endless belt, fixing for braking string body and handle, and therefore braking string can not be thrown off with handle, ensure that traffic safety.
Accompanying drawing explanation
Fig. 1 is the sectional view of a kind of bicycle abrasive-proof brake device of the present invention.
Fig. 2 is the structural representation of braking string body of the present invention.
Fig. 3 is the A-A sectional drawing in Fig. 2.
Fig. 4 is the schematic diagram of the present invention's axially-aligned wiry.
Fig. 5 is the structural representation of the end of braking string body of the present invention
In figure:
Surrounding layer 1,
Internal lining pipe 2,
Groups of metal filaments 3,
Braking string body 4,
Carbon fiber heart yearn group 4.1,
Resin layer 4.2,
Endless belt 5.
Embodiment
See Fig. 1-4, the present invention relates to a kind of bicycle abrasive-proof brake device, comprise surrounding layer 1, the internal lining pipe 2 of two side by side parallel settings and groups of metal filaments 3, the length of two internal lining pipes 2 is equal, braking string body 4 is provided with in described internal lining pipe 2, described groups of metal filaments 3 comprises many one metal wires, wire is closely arranged at internal lining pipe 2 outer wall, length direction wiry is axial consistent with internal lining pipe 2, and many one metal wires along its length upper bending (are similar to the wire rope that twisting is shaping) twist, described groups of metal filaments 3 has 15 ~ 25 one metal wires, optimum is 21, described surrounding layer 1 is coated on outside groups of metal filaments 3.
Described braking string body 4 comprises carbon fiber heart yearn group 4.1 and the outer field resin layer 4.2 of internal layer, described carbon fiber heart yearn group 4.1 is made up of multi-beam carbon-fiber heart yearn, 1000 ~ 200000 carbon fibers are comprised in every a branch of carbon fiber core, the diameter of every root carbon fiber is 5 ~ 15 microns, described resin layer 4.2 is preferably by PA6(polyamide 6), PA66(polyamide 66) and PPA(PPTA resin layer) the good resin material of weatherability makes, to improve braking string working life.
See Fig. 5, the end of described braking string body 4 is provided with endless belt 5.
The surface of described surrounding layer 1 is coated with wear resistant coating, described wear resistant coating comprises fluoropolymer, polymer adhesive and inorganic filler film hardeners, the weight ratio of fluoropolymer and polymer adhesive is 0.5 ~ 2.0:1, the weight ratio of packing thin film hardening agent and fluoropolymer is 1.4:1, wherein thin filled film hardening agent comprises the ceramic particle that Mean particle diameter is at least 14 microns, ceramic particle has the Knoop hardness of at least 1200, be not more than the aspect ratio of 2.5, the cross section of the wear resistant coating of every 1 centimetre has three ceramic particles at least.
Braking string body 4 of the present invention once-through, in the process of preparation braking string body, the head of extruder, through a branch of continuous print carbon fiber, makes braking string body 4 from the resin layer 4.2 carbon fiber heart yearn group 4.1 that is coated on tightly of extruder molten state out.
The diameter of carbon fiber heart yearn group 4.1 can control for the hauling speed of drawing carbon fiber heart yearn tractor by regulating, and then according to required length, continuous print braking string body is sheared.
The density of carbon fiber heart yearn group 4.1 of the present invention is low, and it is 1.76 ~ 1.8g/cm
3, and traditional stainless density as braking string body is 7.5 ~ 8g/cm
3, carbon fiber heart yearn has high specific strength simultaneously, and make the braking string of same thickness, the intensity of carbon fiber heart yearn is far above stainless intensity, and weight is 1/4th of stainless steel braking string.
In addition, the resistance to chemical attack of carbon fiber heart yearn, good weatherability, low cost of manufacture.
Installation process: inserted in two internal lining pipes be arranged side by side 2 respectively by two braking string bodies 4 during assembling, be then connected with bicycle brake handle one end of two braking string bodies 4, the other end is connected with braking binder of bicycle.The length of two internal lining pipes 2 unanimously can ensure that braking string body 4 length is consistent, two braking string body uniform force when braking, and this structure is more convenient at fit on compared with two separate internal lining pipes, and profile is cleaner and tidier, attractive in appearance.
Claims (4)
1. a bicycle abrasive-proof brake device, it is characterized in that: described device comprises surrounding layer (1), the internal lining pipe (2) of two side by side parallel settings and two groups of metal filaments (3), the length of two internal lining pipes (2) is equal, braking string body (4) is provided with in described internal lining pipe (2), described groups of metal filaments (3) comprises many one metal wires, wire is closely arranged at internal lining pipe (2) outer wall, length direction wiry is axial consistent with internal lining pipe (2), and many one metal wires are upper along its length to be bent twist, described surrounding layer (1) is coated on groups of metal filaments (3) outward, described braking string body (4) comprises carbon fiber heart yearn group (4.1) and the outer field resin layer (4.2) of internal layer, the end of described braking string body (4) is provided with endless belt (5), the surface of described surrounding layer (1) is coated with wear resistant coating, described wear resistant coating comprises fluoropolymer, polymer adhesive and inorganic filler film hardeners, the weight ratio of fluoropolymer and polymer adhesive is 0.5 ~ 2.0:1, the weight ratio of packing thin film hardening agent and fluoropolymer is 1.4:1, wherein thin filled film hardening agent comprises the ceramic particle that Mean particle diameter is at least 14 microns, ceramic particle has the Knoop hardness of at least 1200, be not more than the aspect ratio of 2.5, the cross section of the wear resistant coating of every 1 centimetre have three ceramic particles at least.
2. a kind of bicycle abrasive-proof brake device according to claim 1, it is characterized in that: described carbon fiber heart yearn group (4.1) is made up of multi-beam carbon-fiber heart yearn, comprise 1000 ~ 200000 carbon fibers in every a branch of carbon fiber core, the diameter of every root carbon fiber is 5 ~ 15 microns.
3. a kind of bicycle abrasive-proof brake device according to claim 1, is characterized in that: described resin layer (4.2) is made for polyamide 6 or polyamide 66 or PPTA resinous layer material.
4. a kind of bicycle abrasive-proof brake device according to claim 1, is characterized in that: described groups of metal filaments (3) has 15 ~ 25 one metal wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510183646.2A CN104806622A (en) | 2015-04-20 | 2015-04-20 | Abrasion-resistant brake apparatus of bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510183646.2A CN104806622A (en) | 2015-04-20 | 2015-04-20 | Abrasion-resistant brake apparatus of bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104806622A true CN104806622A (en) | 2015-07-29 |
Family
ID=53691735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510183646.2A Pending CN104806622A (en) | 2015-04-20 | 2015-04-20 | Abrasion-resistant brake apparatus of bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104806622A (en) |
-
2015
- 2015-04-20 CN CN201510183646.2A patent/CN104806622A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150729 |
|
| WD01 | Invention patent application deemed withdrawn after publication |